diff options
Diffstat (limited to 'target/linux/sunxi/patches-6.1/012-v6.9-thermal-drivers-sun8i-Extend-H6-calibration-to-support-4.patch')
-rw-r--r-- | target/linux/sunxi/patches-6.1/012-v6.9-thermal-drivers-sun8i-Extend-H6-calibration-to-support-4.patch | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/target/linux/sunxi/patches-6.1/012-v6.9-thermal-drivers-sun8i-Extend-H6-calibration-to-support-4.patch b/target/linux/sunxi/patches-6.1/012-v6.9-thermal-drivers-sun8i-Extend-H6-calibration-to-support-4.patch new file mode 100644 index 0000000000..3d01a507fa --- /dev/null +++ b/target/linux/sunxi/patches-6.1/012-v6.9-thermal-drivers-sun8i-Extend-H6-calibration-to-support-4.patch @@ -0,0 +1,74 @@ +From 6c04a419a4c5fb18edefc44dd676fb95c7f6c55d Mon Sep 17 00:00:00 2001 +From: Maksim Kiselev <bigunclemax@gmail.com> +Date: Mon, 19 Feb 2024 15:36:36 +0000 +Subject: [PATCH] thermal/drivers/sun8i: Extend H6 calibration to support 4 + sensors + +The H616 SoC resembles the H6 thermal sensor controller, with a few +changes like four sensors. + +Extend sun50i_h6_ths_calibrate() function to support calibration of +these sensors. + +Co-developed-by: Martin Botka <martin.botka@somainline.org> +Signed-off-by: Martin Botka <martin.botka@somainline.org> +Signed-off-by: Maksim Kiselev <bigunclemax@gmail.com> +Reviewed-by: Andre Przywara <andre.przywara@arm.com> +Signed-off-by: Andre Przywara <andre.przywara@arm.com> +Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com> +Acked-by: Vasily Khoruzhick <anarsoul@gmail.com> +Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> +Link: https://lore.kernel.org/r/20240219153639.179814-5-andre.przywara@arm.com +--- + drivers/thermal/sun8i_thermal.c | 28 ++++++++++++++++++++-------- + 1 file changed, 20 insertions(+), 8 deletions(-) + +--- a/drivers/thermal/sun8i_thermal.c ++++ b/drivers/thermal/sun8i_thermal.c +@@ -224,16 +224,21 @@ static int sun50i_h6_ths_calibrate(struc + struct device *dev = tmdev->dev; + int i, ft_temp; + +- if (!caldata[0] || callen < 2 + 2 * tmdev->chip->sensor_num) ++ if (!caldata[0]) + return -EINVAL; + + /* + * efuse layout: + * +- * 0 11 16 32 +- * +-------+-------+-------+ +- * |temp| |sensor0|sensor1| +- * +-------+-------+-------+ ++ * 0 11 16 27 32 43 48 57 ++ * +----------+-----------+-----------+-----------+ ++ * | temp | |sensor0| |sensor1| |sensor2| | ++ * +----------+-----------+-----------+-----------+ ++ * ^ ^ ^ ++ * | | | ++ * | | sensor3[11:8] ++ * | sensor3[7:4] ++ * sensor3[3:0] + * + * The calibration data on the H6 is the ambient temperature and + * sensor values that are filled during the factory test stage. +@@ -246,9 +251,16 @@ static int sun50i_h6_ths_calibrate(struc + ft_temp = (caldata[0] & FT_TEMP_MASK) * 100; + + for (i = 0; i < tmdev->chip->sensor_num; i++) { +- int sensor_reg = caldata[i + 1] & TEMP_CALIB_MASK; +- int cdata, offset; +- int sensor_temp = tmdev->chip->calc_temp(tmdev, i, sensor_reg); ++ int sensor_reg, sensor_temp, cdata, offset; ++ ++ if (i == 3) ++ sensor_reg = (caldata[1] >> 12) ++ | ((caldata[2] >> 12) << 4) ++ | ((caldata[3] >> 12) << 8); ++ else ++ sensor_reg = caldata[i + 1] & TEMP_CALIB_MASK; ++ ++ sensor_temp = tmdev->chip->calc_temp(tmdev, i, sensor_reg); + + /* + * Calibration data is CALIBRATE_DEFAULT - (calculated |